55903400722 has 16 divisors (see below), whose sum is σ = 91320165720. Its totient is φ = 25511663232.

The previous prime is 55903400681. The next prime is 55903400809. The reversal of 55903400722 is 22700430955.

It is a Cunningham number, because it is equal to 236439²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 31464019161 + 24439381561 = 177381^2 + 156331^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12077073 + ... + 12081700.

Almost surely, 2^55903400722 is an apocalyptic number.

55903400722 is a deficient number, since it is larger than the sum of its proper divisors (35416764998).

55903400722 is a wasteful number, since it uses less digits than its factorization.

55903400722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24158877.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 55903400722 in words is "fifty-five billion, nine hundred three million, four hundred thousand, seven hundred twenty-two".